The World Health Organization's (WHO's) global count of confirmed swine flu cases stands at 257 cases in 11 countries today. The United States has 109 cases and 1 death; Mexico has 97 cases and 7 deaths. [WHO update 6]
(CIDRAP News) This in-depth article investigates the prospects for development of vaccines to head off the threat of an influenza pandemic posed by the H5N1 avian influenza virus. Its seven parts put advances in vaccine technology in perspective by illuminating the formidable barriers to producing an effective and widely usable vaccine in a short time frame.